Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
British Half Sovereign
A small 22-carat British gold coin worth ten shillings; the pictured example shows Queen Victoria's left-facing Young Head portrait, dated 1863.
British
Antoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
Ancient
Native American Dollar
U.S. golden dollar with the Sacagawea obverse and a yearly-changing reverse; the 2009 issue shows Native American agriculture and three corn stalks.
Dollar
Indonesia 1000 Rupiah
A 2010 Indonesian 1000-rupiah circulation coin, its obverse bearing the Garuda Pancasila emblem and Bank Indonesia legend, its reverse a traditional monument design.
Southeast Asia
Alabama Centennial Half Dollar
A 1921 U.S. silver half dollar marking a century of Alabama statehood, with jugate governor busts and a state eagle; issued in plain and scarcer 2×2 varieties.
Classic Commemorative
Swedish Gold Commemorative
An early-20th-century Swedish gold coin showing a right-facing royal profile with the legend SVERIGES KONUNG and the fatherland motto.
Commemorative
Half Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
Milled
American Gold Eagle
The United States' official gold bullion coin since 1986, struck in 22-karat gold in four sizes with a Saint-Gaudens striding Liberty obverse.
Bullion
Half Sovereign
A small British 22-carat gold coin worth ten shillings; this example shows Queen Victoria's veiled, crowned Jubilee Head portrait and is dated 1887.
World Coins
Antoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
Ancient
Gold Tetradrachm of Ptolemy II and Arsinoe II
Ptolemaic gold of Egypt, c. 260-240 BC, with paired busts of Ptolemy II and Arsinoe II on one side and Ptolemy I and Berenike I on the other.
Ancient
Leif Erikson Commemorative 1000 Króna
Icelandic silver commemorative dated 2000, marking the millennium of Leif Erikson's voyage and the Norse discovery of North America.
Commemorative
India 1 Rupee Commemorative
Copper-nickel Republic of India one rupee showing the Ashoka Lion Capital emblem, with the value and Devanagari legends on the reverse, from the late 20th century.
Modern India
Guangxu Yuanbao 7 Mace 2 Candareens
A silver Chinese dragon dollar of the Guangxu era, marked Guangxu Yuanbao and valued at 7 Mace 2 Candareens, with a coiled dragon on one face and Chinese legends on the other.
Circulation
Australian Sovereign
22-carat gold sovereign struck at Australian branch mints; the 1855 Sydney Mint issue was the country's first gold coin.
Australian
Maria Theresa Thaler
A large silver Austrian trade coin bearing the bust of Empress Maria Theresa, famously frozen at the date 1780 and restruck for centuries.
World
Aureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient Coins
Sacagawea Dollar
U.S. golden-colored dollar coin showing Sacagawea and her infant son on the obverse and a soaring eagle on the reverse, struck 2000–2008.
Dollar
Seated Liberty Dime with Arrows
A silver Seated Liberty dime with small arrows flanking the date, marking the 1853 weight reduction; struck 1853–1855, with the pictured coin dated 1853.
Dime
Antoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient Coins
Antoninianus of Numerian
Late Roman radiate coin of the short-lived emperor Numerian (283-284 AD), showing his spiked crown and a Victory or standing deity on the reverse.
Ancient
Follis of Diocletian
A large silver-washed bronze coin of the Tetrarchy, introduced by Diocletian's currency reform around AD 294 with a stern laureate portrait.
Ancient
1 Markka
Finland's bimetallic one-markka coin (1993–2001), with a crowned heraldic lion on one face and a large numeral 1 on the other.
World
Antoninianus of Carinus
Bronze radiate coin of the emperor Carinus (283-285 AD), recognizable by his spiked crown and a standing or seated deity on the reverse.
Ancient